1.
Witkowska-DÄ…browska M. Indicators of Sustainable Development of the Province of Warmia and Mazury in the Environmental Aspect. oej [Internet]. 2016 Sep. 30 [cited 2024 Mar. 28];11(3):299-30. Available from: https://czasopisma.uwm.edu.pl/index.php/oej/article/view/2934